Mansory began modifying the 4.0-liter 8-cylinder twin-turbo-hybrid engine of the sedan, to raise its power to 880 hp and torque to 1490 Nm, compared to 831 hp and 1470 Nm for the standard model, and Mansory explained that the improvement in power and torque allowed the car to reach a top speed 320 km\h higher, and better acceleration from standstill to 100 km\h, and deep modifications to the chassis ensure better steering and a more pleasant feeling while driving.

Mansory has carried out extensive exterior updates, starting with a new hood made of lightweight carbon fiber, additional ventilation holes, and the use of carbon fiber in other components of the car, such as the new rear spoiler. The sedan also received new 22-inch wheels.

Ending with the cabin that got multiple carbon trims, with new leather additions, colored seat belts, and a new sports leather steering wheel, knowing that all cabin updates are optional according to the customer’s taste, and Mansory did not mention the prices of the modified AMG GT63 SE Performance.